I have recently downloaded DDLUtils and tried to export schema and data for large database.
Case 1: It shown exported schema successfully, but there was missing some constraint and explorting all table's create query.
<!-- This will output all the object in the database 'test' and output the schema definition
to a file 'db-schema1.xml'. This will also extract the data and output this to 'data.xml'
<target name="writeDDLToXML" description="Dumps the database structure">
<writeSchemaToFile outputFile="db-schema_myExportData.xml" failonerror="false" />
<!-- Comment line below if the source DB is too big -->